Red E3 San Diego Energy Efficiency Experts Our goal is to make your home safer, more comfortable and by taking care of those two goals naturally efficient. We can take your project from concept to completion If you are experiencing high energy bills and or comfort issues we can help. Our Energy Audit will provide a roadmap for cost effective repairs. Whether that is Insulation, New windows, an Efficient HVAC system, modern water Heater or even Solar PV. We keep an eye your bottom line and our recommendations are customized to your home and your lifestyle. There are many rebates available now that can significantly reduce costs of the initial investment.